resource_ibm_en_email_template.go

// Copyright IBM Corp. 2021 All Rights Reserved.
// Licensed under the Mozilla Public License v2.0

package eventnotification

import (
	"context"
	"fmt"

	"github.com/IBM-Cloud/terraform-provider-ibm/ibm/conns"
	"github.com/IBM-Cloud/terraform-provider-ibm/ibm/flex"
	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"

	en "github.com/IBM/event-notifications-go-admin-sdk/eventnotificationsv1"
	"github.com/IBM/go-sdk-core/v5/core"
)

func ResourceIBMEnEmailTemplate() *schema.Resource {
	return &schema.Resource{
		CreateContext: resourceIBMEnEmailTemplateCreate,
		ReadContext:   resourceIBMEnEmailTemplateRead,
		UpdateContext: resourceIBMEnEmailTemplateUpdate,
		DeleteContext: resourceIBMEnEmailTemplateDelete,
		Importer:      &schema.ResourceImporter{},

		Schema: map[string]*schema.Schema{
			"instance_guid": {
				Type:        schema.TypeString,
				Required:    true,
				ForceNew:    true,
				Description: "Unique identifier for IBM Cloud Event Notifications instance.",
			},
			"name": {
				Type:        schema.TypeString,
				Required:    true,
				Description: "Subscription name.",
			},
			"description": {
				Type:        schema.TypeString,
				Optional:    true,
				Description: "Subscription description.",
			},
			"type": {
				Type:        schema.TypeString,
				Required:    true,
				ForceNew:    true,
				Description: "The type of template",
			},
			"params": {
				Type:     schema.TypeList,
				MaxItems: 1,
				Optional: true,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"body": {
							Type:        schema.TypeString,
							Optional:    true,
							Description: "The email address to reply to.",
						},
						"subject": {
							Type:        schema.TypeString,
							Optional:    true,
							Description: "The  name of the email address user to reply to.",
						},
					},
				},
			},
			"template_id": {
				Type:        schema.TypeString,
				Computed:    true,
				Description: "Subscription ID.",
			},
			"subscription_count": {
				Type:        schema.TypeInt,
				Computed:    true,
				Description: "Number of subscriptions.",
			},
			"updated_at": {
				Type:        schema.TypeString,
				Computed:    true,
				Description: "Last updated time.",
			},
			"subscription_names": {
				Type:        schema.TypeList,
				Computed:    true,
				Description: "List of subscriptions.",
				Elem:        &schema.Schema{Type: schema.TypeString},
			},
		},
	}
}

func resourceIBMEnEmailTemplateCreate(context context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
	enClient, err := meta.(conns.ClientSession).EventNotificationsApiV1()
	if err != nil {
		return diag.FromErr(err)
	}

	options := &en.CreateTemplateOptions{}

	options.SetInstanceID(d.Get("instance_guid").(string))

	options.SetName(d.Get("name").(string))
	options.SetType(d.Get("type").(string))

	if _, ok := d.GetOk("description"); ok {
		options.SetDescription(d.Get("description").(string))
	}

	params := EmailTemplateParamsMap(d.Get("params.0").(map[string]interface{}))
	options.SetParams(&params)

	result, response, err := enClient.CreateTemplateWithContext(context, options)
	if err != nil {
		return diag.FromErr(fmt.Errorf("CreateTemplateWithContext failed %s\n%s", err, response))
	}

	d.SetId(fmt.Sprintf("%s/%s", *options.InstanceID, *result.ID))

	return resourceIBMEnEmailTemplateRead(context, d, meta)
}

func resourceIBMEnEmailTemplateRead(context context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
	enClient, err := meta.(conns.ClientSession).EventNotificationsApiV1()
	if err != nil {
		return diag.FromErr(err)
	}

	options := &en.GetTemplateOptions{}

	parts, err := flex.SepIdParts(d.Id(), "/")
	if err != nil {
		return diag.FromErr(err)
	}

	options.SetInstanceID(parts[0])
	options.SetID(parts[1])

	result, response, err := enClient.GetTemplateWithContext(context, options)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			d.SetId("")
			return nil
		}
		return diag.FromErr(fmt.Errorf("GetTemplateWithContext failed %s\n%s", err, response))
	}

	if err = d.Set("instance_guid", options.InstanceID); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting instance_guid: %s", err))
	}

	if err = d.Set("template_id", options.ID); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting template_id: %s", err))
	}

	if err = d.Set("name", result.Name); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting name: %s", err))
	}

	if result.Description != nil {
		if err = d.Set("description", result.Description); err != nil {
			return diag.FromErr(fmt.Errorf("[ERROR] Error setting description: %s", err))
		}
	}

	if err = d.Set("type", result.Type); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting template type: %s", err))
	}

	if err = d.Set("subscription_count", flex.IntValue(result.SubscriptionCount)); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting subscription_count: %s", err))
	}

	if err = d.Set("subscription_names", result.SubscriptionNames); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting subscription_names: %s", err))
	}

	if err = d.Set("updated_at", flex.DateTimeToString(result.UpdatedAt)); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting updated_at: %s", err))
	}
	return nil
}

func resourceIBMEnEmailTemplateUpdate(context context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
	enClient, err := meta.(conns.ClientSession).EventNotificationsApiV1()
	if err != nil {
		return diag.FromErr(err)
	}

	options := &en.ReplaceTemplateOptions{}

	parts, err := flex.SepIdParts(d.Id(), "/")
	if err != nil {
		return diag.FromErr(err)
	}

	options.SetInstanceID(parts[0])
	options.SetID(parts[1])

	if ok := d.HasChanges("name", "description", "params"); ok {
		options.SetName(d.Get("name").(string))

		if _, ok := d.GetOk("description"); ok {
			options.SetDescription(d.Get("description").(string))
		}

		params := EmailTemplateParamsMap(d.Get("params.0").(map[string]interface{}))
		options.SetParams(&params)

		_, response, err := enClient.ReplaceTemplateWithContext(context, options)
		if err != nil {
			return diag.FromErr(fmt.Errorf("ReplaceTemplateWithContext failed %s\n%s", err, response))
		}

		return resourceIBMEnEmailTemplateRead(context, d, meta)
	}

	return nil
}

func resourceIBMEnEmailTemplateDelete(context context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
	enClient, err := meta.(conns.ClientSession).EventNotificationsApiV1()
	if err != nil {
		return diag.FromErr(err)
	}

	options := &en.DeleteTemplateOptions{}

	parts, err := flex.SepIdParts(d.Id(), "/")
	if err != nil {
		return diag.FromErr(err)
	}

	options.SetInstanceID(parts[0])
	options.SetID(parts[1])

	response, err := enClient.DeleteTemplateWithContext(context, options)
	if err != nil {
		if response != nil && response.StatusCode == 404 {
			d.SetId("")
			return nil
		}
		return diag.FromErr(fmt.Errorf("DeleteTemplateWithContext failed %s\n%s", err, response))
	}

	d.SetId("")

	return nil
}

func EmailTemplateParamsMap(configParams map[string]interface{}) en.TemplateConfig {
	params := new(en.TemplateConfig)
	if configParams["body"] != nil {
		params.Body = core.StringPtr(configParams["body"].(string))
	}

	if configParams["subject"] != nil {
		params.Subject = core.StringPtr(configParams["subject"].(string))
	}
	return *params
}